#define _CRT_SECURE_NO_WARNINGS 1
class Solution {
public:
	int rob(vector<int>& nums) {
		if (nums.size() == 1)
		{
			return nums[0];
		}
		if (nums.size() == 2)
		{
			return max(nums[0], nums[1]);
		}
		vector<int> dp(nums.size(), 0);
		dp[0] = nums[0];
		dp[1] = max(nums[0], nums[1]);
		for (int i = 2; i < nums.size(); i++)
		{
			dp[i] = max(dp[i - 1], dp[i - 2] + nums[i]);
		}
		return dp[nums.size() - 1];
	}
};